Porygon is a Normal/Cyber dual type Pokemon.
It evolves into Porygon2 during the day, while holding a(n) Up-Grade. It evolves into Porygon2 at night, if holding a(n) Up-Grade. It evolves into Poryrus during the day, while holding a(n) Malicious Disc. It evolves into Poryrus at night, if holding a(n) Malicious Disc. It evolves into Borygon2 while exposed to a(n) Beta Stone. It evolves into DLCorygon during the day, while holding a(n) DLC. It evolves into DLCorygon at night, if holding a(n) DLC. It evolves into Kaiju Porygon while exposed to a(n) Kaiju Stone. It evolves into Hammerygon during the day, while holding a(n) Banhammer. It evolves into Swordygon during the day, while holding a(n) Virus Buster. It evolves into Shieldygon during the day, while holding a(n) Firewall Armor.